Programming VIP

brief introduction Protobuf fer is the abbreviation of Protocol Buffers. It is a data description language developed by Google. It is a portable and efficient structured data storage format, which can be used for structured data serialization or serialization. It is very suitable for data storage or RPC data exchange format. It can be used for ...

What is a structure? A structure is a user-defined type that represents a collection of several fields. Sometimes data should be integrated rather than disconnected. In this case, you can use a structure. For example, an employee has three attributes: firstName, lastName and age, and it is reasonable to combine these attributes in one structur ...

Go Basics - Contents (1) Go start (2) Variable (3) Operators, process control 1, Operator priorityclassificationoperatorAssociativity1Comma Operator ,From left to right2Assignment Operators = += -= *= /= %= >= <<= &= ^= |=Right to left3Logical or||From left to right4Logic and&&From left to right5Bitwise OR|From l ...

Thank you very much for reading this article~ Welcome[ 👍 [like][ ⭐ Collection][ 📝 [comments]~ It's not hard to give up, but it must be cool to insist~ I hope all of us can make a little progress every day~ This paper consists of The white hat of the second leader https://le-yi.blog.csdn.net/ Blog originality~ 1486. Array XOR opera ...

brief introduction JSON is a very popular data exchange format. Each programming language has many libraries for operating JSON, including standard libraries and third-party libraries. The standard library in Go language has built-in JSON operation library encoding/json. We have also introduced it before, which is specifically used for query & ...

introduce This article describes how to add API log interceptors / middleware to gRPC microservices. What is log interceptor / Middleware? The log interceptor logs every API request. We will use rk-boot To start the gRPC service. Please visit the following address for a complete tutorial: https://rkdev.info/cnhttps://rkdocs.netl ...

Well, I know it's midnight... But I still think it's worth spending half an hour to share this latest idea and get straight to the point Let's simulate a scenario. You need to grab a page, and then there are many URLs on this page, and after entering these sub URLs, there is data to grab. Simply put, let's look at the three layers, and our cod ...

2021SC@SDUSC introduction As an oj system, it can not judge the submission results of only one language, and it may even support all common language types. However, different languages require different compile and run commands. If the task of judging the language type is entrusted to the problem solver, we may need to modify the source co ...

&Bracket asterisk principle: due to the conflict of the editor, (*) only represents an asterisk &Null principle for pointers that do not point to addresses: if a pointer is declared but does not point to an address, the address of this pointer will be nil (null) &Pointer first allocates address space principle: after declaring ...

GroupCache source code analysis (2): singleflight (1) Overview: There is a problem in the group cache distributed cache: if at a certain moment, the tail node is eliminated, and then a large number of data requesting the original tail node suddenly pour in, which may cause cache breakdown. Cache avalanche: all caches fail at the same time, r ...